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Konrad MW , Dewitt SK , Bradley EC , Goodman G , Groves EC , Hersh EM , Krigel RL , Rudolph A
Interferon-Gamma Induced by Administration of Recombinant Interleukin-2 to Patients with Cancer - Kinetics, Dose Dependence, and Correlation with Physiological and Therapeutic Response
Journal of Immunotherapy. 1992 Jul;12(1) :55-63
PMID: ISI:A1992HZ09600007   
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The administration of recombinant interleukin-2 as an i.v. bolus at dose levels of from 1 to 30 MIU/m2 to patients with cancer induces easily measurable serum interferon-gamma levels of 1 to 500 U/ml. After a lag of 1 h, interferon-gamma rises to a maximum at 4 h and then slowly decreases. The peak values are poorly correlated with the dose of interleukin-2, and thus must be also be dependent on other factors. Successive administration of interleukin-2 typically increases the peak level of interferon-gamma fourfold, but does not diminish the lag period. Peak levels of interferon-gamma are also increased by concurrent administration of interferon-beta with interleukin-2. Continuous i.v. infusion of 1.5 to 20 MIU/m2 of interleukin-2/day results in interferon-gamma levels of 1 to 7 U/ml. Hypotension, which is characteristically associated with interleukin-2 administration, is correlated with interferon- gamma levels in only some patients. There was no apparent correlation between tumor regression and serum interferon-gamma levels.
English Article HZ096 J IMMUNOTHER